Investment in Unconsolidated Affiliates - Partnerships Investments Unconsolidated Affiliates (Details) - USD ($) $ in Thousands	11 Months Ended	12 Months Ended
	Nov. 30, 2015	Nov. 30, 2017	Nov. 30, 2016
Increase (Decrease) Equity Method Investments [Roll Forward]
Balance at the beginning of the period		$ 475,078	$ 352,070
Investments in its unconsolidated affiliates during the period		330,088	134,371
Equity in earnings in unconsolidated affiliates	$ 9,055	43,379	18,341
Distributions from unconsolidated affiliates		(80,287)	(29,704)
Balance at the end of the period	$ 352,070	$ 768,258	$ 475,078